BGS mineralogy and petrology collection record

Sample number E63993; COLLNOKB993;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Basic Tuff'
Stratigraphy Not entered
Comments Noranda DDH 3 25ft Fluorine analysis(GROUP= Snowdon Volcanic Group)(FORM= Bedded Pyroclastic Fm.)(MEMB= .)(IE=E)(TEXTURE=
Locality details Cwm Llan
50k map sheet Snowdon (119)

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Map reference SH 6193 5107
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions